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THE CAPACITIVE LEVEL SENSOR: HOW IT WORKS AND WHAT IT'S BENEFITS ARE

THE CAPACITIVE LEVEL SENSOR: HOW IT WORKS AND WHAT IT'S BENEFITS ARE


If you're buying level sensor versatile enough to measure liquids, powders and other granular solids, slurries, and more, a capacitive level sensor could be just what you're looking for.


How Capacitive Level Sensors Work

Capacitive level sensors are operated by two electrodes forming a capacitor, often in the shape of two parallel metal plates with insulating (non-conductive or “dielectric”) material separating them.Hit on capacitive level sensors to explore more about our services and sites. Hope you ll like our more services.






In the most basic sense, capacitors store electrostatic energy in a power field. The capacitor's ability to store this energy (a measurement referred to as “capacitance”) increases as the voltage is put on the circuit, and as the volume of insulating material increases.


When functioning as a capacitive level sensor, capacitors work by processing capacitance with mention of the the dielectric constant of the material being measured and the voltage being used to perform the circuit. These measurements are accustomed to determine vessel levels. Higher degrees of dielectric material end up in greater capacitance, meaning the former can be easily gauged with the latter.


This method of level measurement might be called RF level sense after the air frequencies put on the capacitor circuit.


Capacitive Level Sensor: An Example

For example, let's say that we're measuring a high-capacitance solution stored inside a large metal tank. The 2 electrodes that form the capacitor is likely to be in the shape of a conductive probe such as for instance a metal plate, and the vessel wall itself. An RF signal is activated, causing a low current to flow through the solution. This current varies with regards to the number of solution in the tank – a difference that is detected by the capacitor switch and translated into a production ideal for the particular application.


In addition to the wide range of materials and applications capacitive level sensors can handle performing with, they likewise have the benefit of being mechanically simple with no moving parts and minimal required maintenance. Furthermore, they're well-suited for both point and continuous level measurements and are resistant to agitation.

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